package com.itheima.reggie.controller;


import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
import com.itheima.reggie.common.R;
import com.itheima.reggie.entity.Employee;
import com.itheima.reggie.service.EmployeeService;
import lombok.extern.slf4j.Slf4j;
import org.apache.commons.lang.StringUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.util.DigestUtils;
import org.springframework.web.bind.annotation.*;

import javax.servlet.http.HttpServletRequest;
import java.time.LocalDateTime;


@Slf4j
@RestController
@RequestMapping("/employee")
public class EmployeeController {




    @Autowired
    private EmployeeService employeeService;


    //员工登录
    @PostMapping("/login")
    public R<Employee> login(HttpServletRequest request, @RequestBody Employee employee){

        String password = employee.getPassword();
        password =   DigestUtils.md5DigestAsHex(password.getBytes());

        LambdaQueryWrapper<Employee> lqw = new LambdaQueryWrapper<>();

        lqw.eq(Employee::getUsername,employee.getUsername());
        Employee emp = employeeService.getOne(lqw);

        if (emp == null){
            return R.error("登录失败");
        }

        if (!emp.getPassword().equals(password)){
            return R.error("登录失败");
        }

        if (emp.getStatus() == 0){
            //账号禁用 不给登录
            return  R.error("账号已禁用,请联系管理员!!!");
        }

        request.getSession().setAttribute("employee",emp.getId());
        return R.success(emp);

    }


    //退出登录
    @PostMapping("/logout")
    public R<String> logout(HttpServletRequest request){

        request.getSession().removeAttribute("employee");
        return R.success("退出登录");

    }


    //分页查询

    @GetMapping("/page")
    public R<Page> page(int page ,int pageSize,String name){
        log.info("page:{},pageSize:{},name:{}",page,pageSize,name);


        Page pageinfo = new Page<>(page,pageSize);

        LambdaQueryWrapper<Employee> lqw = new LambdaQueryWrapper<>();
        lqw.like(StringUtils.isNotEmpty(name),Employee::getName,name);

        lqw.orderByDesc(Employee::getUpdateTime);

        employeeService.page(pageinfo,lqw);
        return R.success(pageinfo);


    }




    @PostMapping
    public R<String> save(HttpServletRequest request,@RequestBody Employee employee){
        log.info("新增员工,员工信息:{}",employee.toString());

        employee.setPassword(DigestUtils.md5DigestAsHex("123456".getBytes()));

        employee.setCreateTime(LocalDateTime.now());
        employee.setUpdateTime(LocalDateTime.now());

        Long empId = (Long) request.getSession().getAttribute("employee");

        employee.setCreateUser(empId);
        employee.setUpdateUser(empId);

        employeeService.save(employee);

        return  R.success("新增成功");


    }


    //根据id查询单个
    @GetMapping("/{id}")
    public R<Employee> getById(@PathVariable Long id){
        log.info("根据id查询用户信息");

        Employee employee = employeeService.getById(id);

        if (employee != null){

            return  R.success(employee);
        }

        return R.error("没有该用户的相关信息");

    }


    //
    @PutMapping
    public  R<String> update(HttpServletRequest request,@RequestBody Employee employee){
        log.info(employee.toString());

        Long empId = (Long) request.getSession().getAttribute("employee");

        employee.setUpdateTime(LocalDateTime.now());
        employee.setUpdateUser(empId);

        employeeService.updateById(employee);


        return R.success("员工信息修改成功");

    }






}
